*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#0a0e1a;--color-bg-card:#111827;--color-bg-card-hover:#1a2235;--color-border:#1e2d45;--color-primary:#00d4ff;--color-primary-dim:#09b;--color-secondary:#7c3aed;--color-accent:#10b981;--color-warning:#f59e0b;--color-danger:#ef4444;--color-text:#e2e8f0;--color-text-muted:#94a3b8;--color-text-subtle:#64748b;--font-sans:"Segoe UI", system-ui, -apple-system, sans-serif;--font-mono:"Consolas", "Monaco", "Courier New", monospace;--radius:8px;--radius-lg:12px;--shadow:0 4px 24px #0006;--shadow-glow:0 0 20px #00d4ff26;--transition:.2s ease}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.6}a{color:var(--color-primary);transition:color var(--transition);text-decoration:none}a:hover{color:#fff}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3}img{max-width:100%;height:auto}.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}.section{padding:5rem 0}.section-alt{background-color:#0d1426}.btn{border-radius:var(--radius);cursor:pointer;transition:all var(--transition);border:none;align-items:center;gap:.5rem;padding:.75rem 1.75rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--color-primary);color:#000}.btn-primary:hover{color:#000;box-shadow:var(--shadow-glow);background:#33deff;transform:translateY(-1px)}.btn-outline{color:var(--color-primary);border:2px solid var(--color-primary);background:0 0}.btn-outline:hover{background:var(--color-primary);color:#000}.btn-secondary{background:var(--color-secondary);color:#fff}.btn-secondary:hover{background:#6d28d9;transform:translateY(-1px)}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition);padding:1.75rem}.card:hover{background:var(--color-bg-card-hover);box-shadow:var(--shadow-glow);border-color:#00d4ff4d;transform:translateY(-2px)}.learn-more-btn{border:1px solid var(--color-primary);border-radius:var(--radius-md);color:var(--color-primary);transition:background var(--transition), color var(--transition);margin-top:1.25rem;padding:.45rem 1rem;font-size:.82rem;font-weight:600;text-decoration:none;display:inline-block}.learn-more-btn:hover{background:var(--color-primary);color:var(--color-bg)}.section-header{text-align:center;margin-bottom:3rem}.section-header h2{margin-bottom:.75rem;font-size:clamp(1.75rem,4vw,2.5rem)}.section-header p{color:var(--color-text-muted);max-width:640px;margin:0 auto;font-size:1.1rem}.section-eyebrow{color:var(--color-primary);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.5rem;font-size:.8rem;font-weight:700;display:inline-block}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;display:grid}.code-block{border:1px solid var(--color-border);border-radius:var(--radius);font-family:var(--font-mono);color:#a3e635;background:#060b14;padding:1.25rem 1.5rem;font-size:.875rem;overflow-x:auto}.code-block .comment{color:var(--color-text-subtle)}.code-block .key{color:var(--color-primary)}.code-block .value{color:#a3e635}.code-block .record-type{color:var(--color-warning)}.badge{letter-spacing:.04em;border-radius:999px;align-items:center;padding:.2rem .65rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-primary{color:var(--color-primary);background:#00d4ff26}.badge-success{color:var(--color-accent);background:#10b98126}.badge-warning{color:var(--color-warning);background:#f59e0b26}.badge-danger{color:var(--color-danger);background:#ef444426}.badge-purple{color:#a78bfa;background:#7c3aed26}.divider{background:linear-gradient(90deg, transparent, var(--color-border), transparent);height:1px;margin:2rem 0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-subtle)}
.navbar{z-index:100;background:0 0;padding:1rem 0;transition:all .3s;position:fixed;top:0;left:0;right:0}.navbar--scrolled{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);background:#0a0e1af2;padding:.65rem 0;box-shadow:0 4px 24px #0006}.navbar__inner{justify-content:space-between;align-items:center;display:flex}.navbar__logo{color:var(--color-text);letter-spacing:-.02em;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:600;text-decoration:none;display:flex}.navbar__logo:hover{color:var(--color-primary)}.navbar__logo-icon{color:var(--color-primary);font-size:1.5rem}.navbar__logo strong{color:var(--color-primary)}.navbar__nav{align-items:center;gap:.25rem;display:flex}.navbar__link{color:var(--color-text-muted);border-radius:var(--radius);transition:all var(--transition);padding:.4rem .8rem;font-size:.9rem;font-weight:500;text-decoration:none}.navbar__link:hover{color:var(--color-text);background:#ffffff0d}.navbar__link--active{color:var(--color-primary);background:#00d4ff14}.navbar__hamburger{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;padding:4px;display:none}.navbar__hamburger span{background:var(--color-text);border-radius:2px;height:2px;transition:all .3s;display:block}.navbar__hamburger--open span:first-child{transform:translateY(7px)rotate(45deg)}.navbar__hamburger--open span:nth-child(2){opacity:0}.navbar__hamburger--open span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}@media (max-width:768px){.navbar__hamburger{display:flex}.navbar__nav{opacity:0;pointer-events:none;background:#0a0e1afa;flex-direction:column;justify-content:center;gap:.5rem;transition:opacity .3s;position:fixed;inset:0}.navbar__nav--open{opacity:1;pointer-events:all}.navbar__link{padding:.75rem 1.5rem;font-size:1.4rem}}
.footer{border-top:1px solid var(--color-border);background:#060b14;margin-top:auto;padding:4rem 0 2rem}.footer__grid{grid-template-columns:2fr 1fr 1fr;gap:2rem;margin-bottom:3rem;display:grid}.footer__logo{color:var(--color-text);align-items:center;gap:.5rem;margin-bottom:.75rem;font-size:1.35rem;font-weight:600;display:flex}.footer__logo-icon{color:var(--color-primary);font-size:1.5rem}.footer__logo strong{color:var(--color-primary)}.footer__tagline{color:var(--color-text-subtle);max-width:280px;font-size:.9rem;line-height:1.6}.footer__col h4{color:var(--color-text);text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem;font-size:.85rem;font-weight:700}.footer__col ul{flex-direction:column;gap:.5rem;list-style:none;display:flex}.footer__col a,.footer__col span{color:var(--color-text-subtle);transition:color var(--transition);font-size:.9rem;text-decoration:none}.footer__col a:hover{color:var(--color-primary)}.footer__bottom{border-top:1px solid var(--color-border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.5rem;display:flex}.footer__bottom p{color:var(--color-text-subtle);font-size:.85rem}.footer__disclaimer{opacity:.7}.scroll-to-top-btn{border:1px solid var(--color-border);color:var(--color-text-subtle);cursor:pointer;transition:border-color var(--transition), color var(--transition);background:0 0;border-radius:4px;padding:.4rem 1rem;font-size:.85rem}.scroll-to-top-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}@media (max-width:768px){.footer__grid{grid-template-columns:1fr 1fr}.footer__brand{grid-column:1/-1}.footer__bottom{text-align:center;flex-direction:column}}
.page-hero{background:linear-gradient(180deg, #0d1426 0%, var(--color-bg) 100%);border-bottom:1px solid var(--color-border);padding:8rem 0 4rem;position:relative;overflow:hidden}.page-hero:before{content:"";background-image:linear-gradient(#00d4ff08 1px,#0000 1px),linear-gradient(90deg,#00d4ff08 1px,#0000 1px);background-size:40px 40px;position:absolute;inset:0}.page-hero .container{z-index:1;max-width:720px;position:relative}.page-hero h1{margin:.5rem 0 1rem;font-size:clamp(2rem,5vw,3rem)}.page-hero p{color:var(--color-text-muted);max-width:640px;font-size:1.1rem;line-height:1.7}
.hero{padding:8rem 0 6rem;position:relative;overflow:hidden}.hero__bg-grid{background-image:linear-gradient(#00d4ff0a 1px,#0000 1px),linear-gradient(90deg,#00d4ff0a 1px,#0000 1px);background-size:40px 40px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(80% 60% at 50% 0,#000 40%,#0000 100%);mask-image:radial-gradient(80% 60% at 50% 0,#000 40%,#0000 100%)}.hero .container{grid-template-columns:1fr 1fr;align-items:center;gap:3rem;display:grid}.hero__content{z-index:1;position:relative}.hero__title{margin:.5rem 0 1rem;font-size:clamp(2.5rem,5vw,3.75rem);line-height:1.1}.hero__title-highlight{color:var(--color-primary)}.hero__subtitle{color:var(--color-text-muted);max-width:520px;margin-bottom:2rem;font-size:1.15rem;line-height:1.7}.hero__actions{flex-wrap:wrap;gap:1rem;display:flex}.hero__visual{z-index:1;position:relative}.hero__terminal{border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 20px 60px #00000080, var(--shadow-glow);background:#060b14;overflow:hidden}.hero__terminal-bar{border-bottom:1px solid var(--color-border);background:#111827;align-items:center;gap:.4rem;padding:.65rem 1rem;display:flex}.hero__terminal-bar span{background:var(--color-border);border-radius:50%;width:12px;height:12px}.hero__terminal-bar span:first-child{background:#ef4444}.hero__terminal-bar span:nth-child(2){background:#f59e0b}.hero__terminal-bar span:nth-child(3){background:#22c55e}.hero__terminal-title{font-family:var(--font-mono);color:var(--color-text-subtle);margin-left:.5rem;font-size:.8rem}.hero__terminal-body{font-family:var(--font-mono);color:#a3e635;white-space:pre-wrap;word-break:break-all;padding:1.25rem 1.5rem;font-size:.82rem;line-height:1.7}.stats-bar{border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);background:#0d1426;padding:2rem 0}.stats-bar__grid{grid-template-columns:repeat(4,1fr);gap:1.5rem;display:grid}.stats-bar__item{text-align:center}.stats-bar__value{color:var(--color-primary);margin-bottom:.35rem;font-size:2rem;font-weight:800;line-height:1}.stats-bar__label{color:var(--color-text-subtle);text-transform:uppercase;letter-spacing:.06em;font-size:.82rem}.what-dns{grid-template-columns:1fr 1fr;align-items:center;gap:3rem;display:grid}.what-dns__text h2{margin:.5rem 0 1rem;font-size:2rem}.what-dns__text p{color:var(--color-text-muted);margin-bottom:.75rem;line-height:1.7}.what-dns__text code{font-family:var(--font-mono);color:var(--color-primary);background:#00d4ff1a;border-radius:4px;padding:.1em .4em;font-size:.9em}.dns-flow{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.dns-flow__step{border-bottom:1px solid var(--color-border);transition:background var(--transition);align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex}.dns-flow__step:last-child{border-bottom:none}.dns-flow__step:hover{background:var(--color-bg-card-hover)}.dns-flow__num{width:32px;height:32px;color:var(--color-primary);background:#00d4ff26;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.dns-flow__info{flex-direction:column;gap:.15rem;display:flex}.dns-flow__info strong{color:var(--color-text);font-size:.95rem}.dns-flow__info span{color:var(--color-text-subtle);font-size:.82rem}.feature-card{color:var(--color-text);flex-direction:column;gap:.75rem;text-decoration:none;display:flex}.feature-card__icon{font-size:2.25rem;line-height:1}.feature-card h3{font-size:1.2rem}.feature-card p{color:var(--color-text-muted);flex:1;font-size:.92rem;line-height:1.6}.feature-card__link{color:var(--color-primary);margin-top:auto;font-size:.9rem;font-weight:600}.records-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:.75rem;display:grid}.record-row{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);transition:all var(--transition);align-items:center;gap:1rem;padding:.85rem 1.25rem;display:flex}.record-row:hover{background:var(--color-bg-card-hover);border-color:#00d4ff4d}.record-row .badge{min-width:52px;font-family:var(--font-mono);justify-content:center}.record-row__desc{color:var(--color-text-muted);flex:1;font-size:.9rem}.record-row--link{cursor:pointer;text-decoration:none}.record-row--link:hover{border-color:var(--color-primary)}.record-row__arrow{color:var(--color-primary);opacity:0;transition:opacity var(--transition);font-size:.9rem}.record-row--link:hover .record-row__arrow{opacity:1}.cta-section{border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);background:linear-gradient(135deg,#0a0e1a 0%,#0d1426 50%,#0a0e1a 100%);padding:5rem 0}.cta-inner{text-align:center;max-width:600px;margin:0 auto}.cta-inner h2{margin-bottom:.75rem;font-size:2rem}.cta-inner p{color:var(--color-text-muted);margin-bottom:2rem;font-size:1.05rem}.cta-actions{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}@media (max-width:900px){.hero .container{grid-template-columns:1fr}.hero__visual{display:none}.what-dns{grid-template-columns:1fr}.stats-bar__grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.stats-bar__grid{grid-template-columns:repeat(2,1fr)}}
.about-mission{grid-template-columns:1fr 1fr;align-items:start;gap:3rem;display:grid}.about-mission__text h2{margin:.5rem 0 1rem;font-size:2rem}.about-mission__text p{color:var(--color-text-muted);margin-bottom:.9rem;line-height:1.7}.about-mission__text em{color:var(--color-primary);font-style:normal;font-weight:600}.about-mission__topics{flex-direction:column;gap:.75rem;display:flex}.about-topic{align-items:flex-start;gap:1rem;padding:1.1rem 1.25rem;display:flex}.about-topic__icon{flex-shrink:0;font-size:1.5rem}.about-topic strong{margin-bottom:.2rem;font-size:.95rem;display:block}.about-topic p{color:var(--color-text-muted);margin:0;font-size:.85rem}.timeline{max-width:720px;margin:0 auto;position:relative}.timeline:before{content:"";background:linear-gradient(to bottom, var(--color-primary), var(--color-secondary));width:2px;position:absolute;top:0;bottom:0;left:80px}.timeline__item{align-items:flex-start;gap:1.5rem;margin-bottom:1.5rem;display:flex;position:relative}.timeline__year{width:64px;font-weight:700;font-family:var(--font-mono);color:var(--color-primary);text-align:right;flex-shrink:0;padding-top:.2rem;font-size:.9rem}.timeline__connector{background:var(--color-primary);border:2px solid var(--color-bg);z-index:1;border-radius:50%;flex-shrink:0;width:12px;height:12px;margin-top:.3rem;position:relative}.timeline__event{color:var(--color-text-muted);flex:1;padding-top:.1rem;padding-bottom:.5rem;font-size:.92rem;line-height:1.5}.rfc-list{flex-direction:column;gap:.6rem;display:flex}.rfc-item{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text-muted);transition:all var(--transition);align-items:center;gap:1rem;padding:.75rem 1.25rem;font-size:.9rem;display:flex}.rfc-item:hover{background:var(--color-bg-card-hover);color:var(--color-text);border-color:#00d4ff4d}.rfc-item .badge{justify-content:center;min-width:90px;font-size:.7rem}@media (max-width:768px){.about-mission{grid-template-columns:1fr}.timeline:before{left:60px}.timeline__year{width:48px;font-size:.8rem}}.rfc-badge-link{transition:opacity var(--transition);text-decoration:none}.rfc-badge-link:hover{opacity:.75}
.server-cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.server-card__header{align-items:center;gap:.75rem;margin-bottom:.85rem;display:flex}.server-card__icon{font-size:1.75rem}.server-card__desc{color:var(--color-text-muted);margin-bottom:.75rem;font-size:.92rem;line-height:1.6}.server-card__detail{color:var(--color-text-subtle);border-left:2px solid var(--color-border);margin-bottom:1rem;padding-left:.75rem;font-size:.83rem;font-style:italic;line-height:1.5}.server-card__examples{font-size:.85rem}.server-card__examples strong{color:var(--color-text-muted);margin-bottom:.35rem;display:block}.server-card__examples ul{flex-direction:column;gap:.2rem;list-style:none;display:flex}.server-card__examples li{color:var(--color-text-subtle);font-family:var(--font-mono);font-size:.8rem}.server-card__examples li:before{content:"› ";color:var(--color-primary)}.query-steps{flex-direction:column;gap:0;max-width:760px;margin:0 auto;display:flex}.query-step{gap:1.5rem;padding-bottom:2rem;display:flex;position:relative}.query-step:before{content:"";background:var(--color-border);width:2px;position:absolute;top:38px;bottom:0;left:18px}.query-step:last-child:before{display:none}.query-step__num{background:var(--color-primary);color:#000;z-index:1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:1rem;font-weight:800;display:flex;position:relative}.query-step__body{flex:1;padding-top:.4rem}.query-step__body h3{margin-bottom:.35rem;font-size:1.05rem}.query-step__body p{color:var(--color-text-muted);margin-bottom:.75rem;font-size:.9rem;line-height:1.6}.zone-section{grid-template-columns:1fr 1fr;align-items:start;gap:3rem;display:grid}.zone-section h2{margin:.5rem 0 1rem;font-size:2rem}.zone-legend{flex-direction:column;gap:.6rem;margin-top:1.5rem;display:flex}.zone-legend__item{color:var(--color-text-muted);align-items:center;gap:.75rem;font-size:.88rem;display:flex}.zone-legend__item .badge{min-width:58px;font-size:.7rem;font-family:var(--font-mono);justify-content:center}.zone-file-code{font-size:.78rem;line-height:1.8;overflow-x:auto}@media (max-width:900px){.zone-section{grid-template-columns:1fr}}
.threats-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;display:grid}.threat-card__header{align-items:flex-start;gap:1rem;margin-bottom:.85rem;display:flex}.threat-card__icon{flex-shrink:0;font-size:1.75rem}.threat-card__header h3{margin-bottom:.3rem;font-size:1rem}.threat-card__desc{color:var(--color-text-muted);margin-bottom:.85rem;font-size:.88rem;line-height:1.6}.threat-card__mitigation{color:var(--color-text-subtle);border-left:2px solid var(--color-accent);padding-left:.75rem;font-size:.82rem;line-height:1.5}.threat-card__mitigation strong{color:var(--color-accent);margin-right:.25rem}.dnssec-steps{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:2.5rem;display:grid}.dnssec-step{text-align:center;padding:2rem 1.5rem}.dnssec-step__num{background:linear-gradient(135deg, var(--color-primary), var(--color-secondary));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 1rem;font-size:1.25rem;font-weight:800;display:flex}.dnssec-step h3{margin-bottom:.5rem;font-size:1rem}.dnssec-step p{color:var(--color-text-muted);font-size:.85rem;line-height:1.6}.dnssec-records{margin-top:2rem}.record-row{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);transition:all var(--transition);align-items:center;gap:1rem;padding:.85rem 1.25rem;display:flex}.record-row:hover{background:var(--color-bg-card-hover);border-color:#00d4ff4d}.record-row__desc{color:var(--color-text-muted);font-size:.9rem}.tools-table{flex-direction:column;gap:1rem;display:flex}.tool-row{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);transition:all var(--transition);grid-template-columns:120px 1fr 1fr;align-items:center;gap:1.25rem;padding:1rem 1.5rem;display:grid}.tool-row:hover{background:var(--color-bg-card-hover);border-color:#00d4ff4d}.tool-row__name code{font-family:var(--font-mono);color:var(--color-primary);font-size:.9rem;font-weight:700}.tool-row__desc{color:var(--color-text-muted);font-size:.88rem}.tool-row__cmd{margin:0;padding:.5rem .75rem;font-size:.78rem}@media (max-width:768px){.tool-row{grid-template-columns:1fr}}.threat-name-link h3{color:var(--color-text);transition:color .2s}.threat-name-link:hover h3{color:var(--color-primary)}
.email-pillars{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.pillar-card__header{align-items:flex-start;gap:1rem;margin-bottom:.85rem;display:flex}.pillar-card__icon{flex-shrink:0;font-size:2rem}.pillar-card__name{align-items:center;gap:.5rem;margin-bottom:.2rem;display:flex}.pillar-card__name h3{font-size:1.5rem;font-family:var(--font-mono)}.pillar-card__full{color:var(--color-text-subtle);font-size:.8rem}.pillar-card__desc{color:var(--color-text-muted);margin-bottom:1rem;font-size:.88rem;line-height:1.6}.pillar-card__pros-cons{flex-direction:column;gap:.35rem;font-size:.82rem;display:flex}.pillar-card__pro{color:var(--color-accent)}.pillar-card__con{color:var(--color-warning)}.record-explainer{grid-template-columns:1fr 1fr;align-items:start;gap:2.5rem;display:grid}.record-explainer--reversed{direction:rtl}.record-explainer--reversed>*{direction:ltr}.record-explainer h3{margin-bottom:.75rem;font-size:1.25rem}.spf-flow{border:1px solid var(--color-border);border-radius:var(--radius);flex-direction:column;gap:0;margin-top:1rem;display:flex;overflow:hidden}.spf-flow__step{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;display:flex}.spf-flow__step:last-child{border-bottom:none}.spf-flow__label{color:var(--color-text-muted);min-width:120px;font-size:.82rem;font-weight:700}.spf-flow__detail{font-family:var(--font-mono);color:var(--color-primary);text-align:right;font-size:.78rem}.mechanism-list{flex-direction:column;gap:.4rem;display:flex}.mechanism-item{align-items:center;gap:.75rem;font-size:.85rem;display:flex}.mechanism-item code{font-family:var(--font-mono);color:var(--color-primary);text-align:center;background:#00d4ff14;border-radius:4px;min-width:80px;padding:.15em .5em}.mechanism-item span{color:var(--color-text-muted)}.dkim-steps{flex-direction:column;gap:.75rem;display:flex}.dkim-step{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);transition:all var(--transition);align-items:flex-start;gap:.75rem;padding:.75rem 1rem;display:flex}.dkim-step:hover{border-color:#00d4ff4d}.dkim-step__icon{flex-shrink:0;font-size:1.25rem}.dkim-step strong{margin-bottom:.2rem;font-size:.9rem;display:block}.dkim-step p{color:var(--color-text-muted);margin:0;font-size:.82rem;line-height:1.5}.dmarc-tags{flex-direction:column;gap:.5rem;display:flex}.dmarc-tag{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);transition:all var(--transition);padding:.6rem .9rem}.dmarc-tag:hover{border-color:#00d4ff4d}.dmarc-tag__header{align-items:center;gap:.5rem;margin-bottom:.2rem;display:flex}.dmarc-tag__header code{font-family:var(--font-mono);color:var(--color-warning);font-size:.85rem;font-weight:700}.dmarc-tag p{color:var(--color-text-subtle);margin:0;font-size:.8rem}.mta-sts-section{grid-template-columns:1fr 1fr;align-items:start;gap:2.5rem;display:grid}.mta-sts-section h2{margin:.5rem 0 1rem;font-size:2rem}.implementation-phases{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;display:grid}.phase-card__header{align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.phase-card__header h3{font-size:1rem}.phase-steps{flex-direction:column;gap:.6rem;list-style:none;display:flex}.phase-steps li{color:var(--color-text-muted);padding-left:1.2rem;font-size:.85rem;line-height:1.5;position:relative}.phase-steps li:before{content:"→";color:var(--color-primary);font-size:.75rem;position:absolute;left:0}.bimi-section{align-items:flex-start;gap:2rem;display:flex}.bimi-badge{background:linear-gradient(135deg, var(--color-primary), var(--color-secondary));border-radius:var(--radius-lg);color:#fff;letter-spacing:.05em;flex-shrink:0;justify-content:center;align-items:center;width:80px;height:80px;font-size:1rem;font-weight:900;display:flex}.bimi-section h3{margin-bottom:.5rem;font-size:1.1rem}.bimi-section p{color:var(--color-text-muted);font-size:.9rem;line-height:1.6}.bimi-section code{font-family:var(--font-mono);color:var(--color-primary);background:#00d4ff14;border-radius:4px;padding:.1em .4em;font-size:.9em}@media (max-width:900px){.record-explainer,.record-explainer--reversed,.mta-sts-section{direction:ltr;grid-template-columns:1fr}.bimi-section{flex-direction:column}}.pillar-name-link h3{color:var(--color-text);transition:color .2s}.pillar-name-link:hover h3{color:var(--color-primary)}
.contact-layout{grid-template-columns:340px 1fr;align-items:start;gap:3rem;display:grid}.contact-sidebar h3{margin-bottom:1.25rem;font-size:1.2rem}.contact-options{flex-direction:column;gap:.75rem;margin-bottom:1.5rem;display:flex}.contact-option{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);transition:all var(--transition);align-items:flex-start;gap:.85rem;padding:.9rem 1rem;display:flex}.contact-option:hover{border-color:#00d4ff4d}.contact-option__icon{flex-shrink:0;font-size:1.25rem}.contact-option strong{margin-bottom:.2rem;font-size:.9rem;display:block}.contact-option p{color:var(--color-text-muted);margin:0;font-size:.8rem;line-height:1.5}.contact-note{border-radius:var(--radius);background:#f59e0b14;border:1px solid #f59e0b40;padding:1rem 1.1rem}.contact-note__title{color:var(--color-warning);margin-bottom:.4rem;font-size:.85rem;font-weight:700}.contact-note p{color:var(--color-text-muted);margin:0;font-size:.8rem;line-height:1.5}.contact-form{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem}.contact-form h3{margin-bottom:1.5rem;font-size:1.2rem}.form-row{margin-bottom:1.25rem}.form-row--2{grid-template-columns:1fr 1fr;gap:1.25rem;display:grid}.form-group{flex-direction:column;gap:.35rem;margin-bottom:1.25rem;display:flex}.form-row .form-group{margin-bottom:0}.form-group label{color:var(--color-text-muted);justify-content:space-between;align-items:center;font-size:.875rem;font-weight:600;display:flex}.form-group label span[aria-hidden]{color:var(--color-danger)}.form-char-count{color:var(--color-text-subtle);font-size:.75rem;font-weight:400}.form-group input,.form-group select,.form-group textarea{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-family:var(--font-sans);transition:border-color var(--transition), box-shadow var(--transition);appearance:none;width:100%;padding:.65rem .9rem;font-size:.95rem}.form-group select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-position:right .9rem center;background-repeat:no-repeat;padding-right:2.5rem}.form-group textarea{resize:vertical;min-height:160px}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--color-text-subtle)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #00d4ff1a}.input-error{border-color:var(--color-danger)!important}.input-error:focus{box-shadow:0 0 0 3px #ef44441a!important}.form-error{color:var(--color-danger);font-size:.78rem}.contact-success{text-align:center;max-width:480px;margin:0 auto;padding:3rem 2rem}.contact-success__icon{width:72px;height:72px;color:var(--color-accent);border:2px solid var(--color-accent);background:#10b98126;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 1.5rem;font-size:2rem;display:flex}.contact-success h2{margin-bottom:.75rem;font-size:1.75rem}.contact-success p{color:var(--color-text-muted);margin-bottom:2rem}@media (max-width:900px){.contact-layout{grid-template-columns:1fr}}@media (max-width:600px){.form-row--2{grid-template-columns:1fr}.contact-form{padding:1.5rem}}
.back-link{width:fit-content;color:var(--color-text-subtle);text-transform:uppercase;letter-spacing:.08em;transition:color var(--transition);align-items:center;gap:.4rem;margin-bottom:1.5rem;font-size:.85rem;font-weight:600;display:flex}.back-link:hover{color:var(--color-primary)}.detail-grid{grid-template-columns:1fr 1fr;align-items:start;gap:3rem;display:grid}@media (max-width:860px){.detail-grid{grid-template-columns:1fr}}.callout{border:1px solid #00d4ff33;border-left:4px solid var(--color-primary);border-radius:var(--radius);color:var(--color-text-muted);background:#00d4ff0f;padding:1.25rem 1.5rem;font-size:.9rem;line-height:1.7}.callout.callout-warning{border-color:#f59e0b33;border-left-color:var(--color-warning);background:#f59e0b0f}.callout.callout-success{border-color:#10b98133;border-left-color:var(--color-accent);background:#10b9810f}.callout strong{color:var(--color-text);margin-bottom:.35rem;display:block}.feature-list{flex-direction:column;gap:.6rem;list-style:none;display:flex}.feature-list li{color:var(--color-text-muted);align-items:flex-start;gap:.75rem;font-size:.9rem;line-height:1.55;display:flex}.feature-list li:before{content:"▸";color:var(--color-primary);flex-shrink:0;margin-top:.05rem}.info-table{border-collapse:collapse;width:100%;font-size:.87rem}.info-table th,.info-table td{text-align:left;border-bottom:1px solid var(--color-border);padding:.7rem 1rem}.info-table th{color:var(--color-primary);letter-spacing:.08em;text-transform:uppercase;background:#00d4ff0d;font-size:.78rem;font-weight:700}.info-table td{color:var(--color-text-muted)}.info-table td:first-child{color:var(--color-text);font-family:var(--font-mono);font-size:.82rem}.info-table tr:last-child td{border-bottom:none}.table-wrap{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.root-server-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;display:grid}.root-server-item{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);transition:all var(--transition);padding:1rem 1.25rem}.root-server-item:hover{background:var(--color-bg-card-hover);border-color:#00d4ff4d}.root-server-item__letter{font-family:var(--font-mono);color:var(--color-primary);margin-bottom:.4rem;font-size:1.4rem;font-weight:800;line-height:1}.root-server-item__host{font-family:var(--font-mono);color:var(--color-text-subtle);margin-bottom:.5rem;font-size:.75rem}.root-server-item__org{color:var(--color-text-muted);font-size:.8rem;line-height:1.4}.stat-row{flex-wrap:wrap;gap:1.5rem;display:flex}.stat-box{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius);text-align:center;flex:1;min-width:120px;padding:1.25rem}.stat-box__value{color:var(--color-primary);margin-bottom:.35rem;font-size:2rem;font-weight:800;line-height:1}.stat-box__label{color:var(--color-text-subtle);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.tld-type-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;display:grid}.tld-type-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition);padding:1.5rem}.tld-type-card:hover{background:var(--color-bg-card-hover);border-color:#00d4ff40}.tld-type-card__label{letter-spacing:.1em;text-transform:uppercase;margin-bottom:.5rem;font-size:.72rem;font-weight:700}.tld-type-card h3{margin-bottom:.5rem;font-size:1.05rem}.tld-type-card p{color:var(--color-text-muted);margin-bottom:.75rem;font-size:.85rem;line-height:1.55}.tld-type-card__examples{flex-wrap:wrap;gap:.35rem;display:flex}.tld-tag{font-family:var(--font-mono);color:var(--color-primary);background:#00d4ff14;border:1px solid #00d4ff26;border-radius:4px;padding:.15rem .5rem;font-size:.75rem}.detail-prose{color:var(--color-text-muted);font-size:.95rem;line-height:1.75}.detail-prose+.detail-prose{margin-top:1rem}.provider-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem;display:grid}.provider-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition);padding:1.5rem}.provider-card:hover{background:var(--color-bg-card-hover);box-shadow:var(--shadow-glow);border-color:#00d4ff40;transform:translateY(-2px)}.provider-card__name{align-items:center;gap:.5rem;margin-bottom:.25rem;font-size:1.05rem;font-weight:700;display:flex}.provider-card__ip{font-family:var(--font-mono);color:var(--color-primary);margin-bottom:.75rem;font-size:.8rem}.provider-card p{color:var(--color-text-muted);font-size:.85rem;line-height:1.55}.transfer-flow{flex-direction:column;gap:0;display:flex}.transfer-step{gap:1.25rem;padding-bottom:1.75rem;display:flex;position:relative}.transfer-step:before{content:"";background:var(--color-border);width:2px;position:absolute;top:32px;bottom:0;left:14px}.transfer-step:last-child:before{display:none}.transfer-step__dot{border:2px solid var(--color-primary);background:var(--color-bg);z-index:1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;display:flex;position:relative}.transfer-step__dot:after{content:"";background:var(--color-primary);border-radius:50%;width:8px;height:8px}.transfer-step__body{flex:1;padding-top:.3rem}.transfer-step__body h4{color:var(--color-text);margin-bottom:.3rem;font-size:.95rem}.transfer-step__body p{color:var(--color-text-muted);font-size:.85rem;line-height:1.55}
.records-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.record-card__header{align-items:center;gap:.75rem;margin-bottom:.85rem;display:flex}.record-card__type{font-family:var(--font-mono);letter-spacing:.05em;font-size:.95rem;font-weight:800}.record-card__category{color:var(--color-text-subtle);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:600}.record-card__summary{color:var(--color-text-muted);margin-bottom:.85rem;font-size:.9rem;line-height:1.65}.record-card__example{margin-bottom:0;font-size:.74rem!important}
.software-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;display:grid}.software-card__header{align-items:center;gap:.75rem;margin-bottom:.3rem;display:flex}.software-card__name{letter-spacing:.02em;font-size:.95rem;font-weight:800}.software-card__role{color:var(--color-text-subtle);text-transform:uppercase;letter-spacing:.07em;font-size:.75rem;font-weight:600}.software-card__vendor{color:var(--color-text-subtle);margin-bottom:.75rem;font-size:.78rem}.software-card__summary{color:var(--color-text-muted);margin-bottom:.85rem;font-size:.9rem;line-height:1.65}.software-card__tags{flex-wrap:wrap;gap:.4rem;margin-bottom:.85rem;display:flex}.software-tag{border-radius:var(--radius-sm);color:var(--color-text-muted);border:1px solid var(--color-border);letter-spacing:.03em;background:#00d4ff14;padding:.2rem .55rem;font-size:.72rem;font-weight:600;display:inline-block}
.tools-grid{grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:1.5rem;display:grid}.tool-card__header{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.tool-card__name{font-size:1rem}.tool-card__category{color:var(--color-text-subtle);font-size:.8rem;font-weight:500}.tool-card__summary{color:var(--color-text-muted);margin-bottom:1rem;font-size:.9rem;line-height:1.65}.tool-card__uses{flex-direction:column;gap:.3rem;margin-bottom:1.25rem;padding:0;list-style:none;display:flex}.tool-card__uses li{color:var(--color-text-muted);padding-left:1rem;font-size:.85rem;position:relative}.tool-card__uses li:before{content:"›";color:var(--color-primary);position:absolute;left:0}.tool-card__footer{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1rem;margin-top:auto;display:flex}@media (max-width:768px){.tools-grid{grid-template-columns:1fr}}
.faq-nav{flex-wrap:wrap;justify-content:center;gap:.75rem;display:flex}.faq-nav__link{border:1px solid var(--color-border);color:var(--color-text-muted);transition:border-color var(--transition), color var(--transition), background var(--transition);border-radius:999px;padding:.45rem 1.1rem;font-size:.875rem;text-decoration:none;display:inline-block}.faq-nav__link:hover{border-color:var(--color-primary);color:var(--color-primary);background:#00d4ff0f}.faq-list{flex-direction:column;gap:1rem;display:flex}.faq-item__q{color:var(--color-text);margin-bottom:.75rem;font-size:1.05rem;font-weight:600;line-height:1.4}.faq-item__q:before{content:"Q: ";color:var(--color-primary);font-family:var(--font-mono);font-size:.85rem;font-weight:700}.faq-item__a{color:var(--color-text-muted);font-size:.92rem;line-height:1.75}